Webster's Revised Unabridged Dictionary · 1913

Cheapen

Cheapen , transitive verb

[Old English cheapien, chepen, to trade, buy, sell, Anglo-Saxon ceápian; akin to Dutch koopen to buy, German kaufen, Icelandic kaupa, Gothic kaupōn to trade. Compare Chap to bargain.]

1.
To ask the price of; to bid, bargain, or chaffer for. [Obsolescent]
Pretend to cheapen goods, but nothing buy. — Swift
2.
To beat down the price of; to lessen the value of; to depreciate. — Pope
My proffered love has cheapened me. — Dryden